This year has been a year of massive growth in open source. While almost any developer knows frameworks such as React and projects like Docker (moby), in 2017 the number of open source projects on GitHub grew from around 35 million to over 62 million.
See also: Is IoT all about low-tech and simple APIs
As open source is expected to continue to grow and standardize more development fields, here is a short preview of some of the most promising candidates to rise in 2018

Internet of Things